Bosch AE20 Plastic electrical enclosure

AE20, Universal Plastic Enclosure The AE20 Enclosure's flexible design accommodates a number of input, output and receiver modules whose circuit boards have either through‐hole or three‐point mounting systems. The enclosure can be mounted to a single gang/double gang box, a 9 cm (3.5 in.) octagonal box, or a 10 cm (4 in.) square box. It may also be surface mounted. The enclosure measures 12 cm x 16 cm x 4 cm (4.7 in. x 6.2 in. x 1.5 in.) and has provisions to accommodate wall tamper switches on the modules.